For Arduino U Disk TF Card MP3 Player Mini and similar items

For Arduino U Disk TF Card MP3 Player Mini DFPlayer Audio Voice Module Items Description: Echnical Specifications 1, supports sampling rates (KHz): 8 / 11.025 / 12/16 / 22.05 / 24/32 / 44.1 / 48 2,24-bit DAC output, dynamic range support: 90dB, SNR support: 85dB 3, fully supports FAT16, FAT32 file system, maximum support 32G TF card, support U disk to 32G, 64M bytes of NORFLASH 4, a variety of control modes are available. IO control mode, serial mode, AD key control mode 5, the broadcast language spots feature, you can pause the background music being played. Advertising finished playing back background sound to continue playing 6, the audio data is sorted by folder, supports up to 100 folders, folders can assign every 255 Tracks 7,30 level adjustable volume, adjustable EQ 6 Application 1, car navigation voice broadcast 2, road transport inspectors, toll voice prompts 3, train station, bus station voice prompts security check 4, electric power, telecommunications, financial operating room voice prompts 5, the vehicle into or out of the channel to verify the voice prompts 6, border control channel voice prompts ** 7, multi-channel voice alarm or voice guidance equipment operation 8, electric sightseeing bus safety with voice notices 9, electrical and mechanical equipment failure alarm 10, fire alarm voice prompts 11, automatic broadcasting equipment, regular broadcast Package: 1 x TF Card Module Shipping Policy: Item will be shipped within 1-5 working days after full payment is received Economy Shipping: 15-50 business days Standard Shipping: 10-35 business days Expedited Shipping: 3-7 business days Note: Average delivery time for reference only, actual time varies for different countries and related to uncontrollable factors such as weather weather / custom and holidays. Terms of Sale: - 30 Days Free Return and Money Back - If you are not satisfied with your purchase, you can return the item with original packaging back to us for full refund, not any re-stock fee, the return cost should be paid by buyer. - If you receive any wrong items, or damage during the transportation or defect items, we will accept the return and pay the return freight, Please noted that the return cost should be prepaid by buyer, we will issue the refund of return cost to buyer after inspecting the faulty item. - Please kindly contact us before return, our representatives will send you the detailed return instruction. - The guarantee will be only for the cost of the item, we will not responsible for installation or other fees like labor expenses, towing expenses, additional repair expenses or other related expenses. Customer Service: Contact us if you have a complaint, or plan to leave us a negative or neutral feedback, please contact us and we will be glad to help solve the problem. We reply your message within 24 hours, thank you!